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Comfort Systems USA Inc

FIX
Exchange
NYSE
Industry
Electrical Work
SEC CIK
0001035983

In the last 90 days, Comfort Systems USA Inc insiders filed 0 open-market purchases and 3 sales; 1,357 institutions reported holding it in 13F filings for Q2 2026, worth $64.6B in total; superinvestors Coatue Management and Markel Group hold it.

13F holders, Q4 2021

Institutional positions in Comfort Systems USA Inc as of Dec 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
291
+24 vs. Q3 2021
Shares held
34.9M
+504.7K (+1.5%) vs. Q3 2021
Total value
$3.41B
+$984.2M (+40.6%) vs. Q3 2021
New holders
47
87 more added
Sold out
23
105 more reduced

2 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting FIX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2021: 291 institutions
Q1 2021: 252 institutionsQ2 2021: 282 institutionsQ3 2021: 269 institutionsQ4 2021: 291 institutionsQ1 2022: 280 institutionsQ2 2022: 277 institutionsQ3 2022: 299 institutionsQ4 2022: 337 institutionsQ1 2023: 348 institutionsQ2 2023: 378 institutionsQ3 2023: 400 institutionsQ4 2023: 447 institutionsQ1 2024: 505 institutionsQ2 2024: 555 institutionsQ3 2024: 591 institutionsQ4 2024: 665 institutionsQ1 2025: 632 institutionsQ2 2025: 755 institutionsQ3 2025: 888 institutionsQ4 2025: 1,043 institutionsQ1 2026: 1,206 institutionsQ2 2026: 1,357 institutions
Value heldQ4 2021: $3.41B
Q1 2021: $2.57BQ2 2021: $2.67BQ3 2021: $2.43BQ4 2021: $3.41BQ1 2022: $3.11BQ2 2022: $2.88BQ3 2022: $3.35BQ4 2022: $3.92BQ1 2023: $5.03BQ2 2023: $5.62BQ3 2023: $5.97BQ4 2023: $7.16BQ1 2024: $11.0BQ2 2024: $10.5BQ3 2024: $13.1BQ4 2024: $14.4BQ1 2025: $10.9BQ2 2025: $18.1BQ3 2025: $27.5BQ4 2025: $31.1BQ1 2026: $44.6BQ2 2026: $64.6B
Institutions holding FIX and their total value by quarter
QuarterHoldersValue
Q2 20261,357$64.6B
Q1 20261,206$44.6B
Q4 20251,043$31.1B
Q3 2025888$27.5B
Q2 2025755$18.1B
Q1 2025632$10.9B
Q4 2024665$14.4B
Q3 2024591$13.1B
Q2 2024555$10.5B
Q1 2024505$11.0B
Q4 2023447$7.16B
Q3 2023400$5.97B
Q2 2023378$5.62B
Q1 2023348$5.03B
Q4 2022337$3.92B
Q3 2022299$3.35B
Q2 2022277$2.88B
Q1 2022280$3.11B
Q4 2021291$3.41B
Q3 2021269$2.43B
Q2 2021282$2.67B
Q1 2021252$2.57B

Institutions, Q4 2021

Shares, value and share of portfolio for each institution holding Comfort Systems USA Inc; share changes are against Q3 2021.

Institutions holding FIX in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Walthausen & Co., LLC24,755$2.45M0.64%+11,985+93.9%Added
Voya Investment Management LLC24,078$2.38M0.00%−3,157−11.6%Reduced
New York State Teachers Retirement System23,816$2.36M0.00%−200−0.8%Reduced
Johnson Investment Counsel Inc23,495$2.33M0.03%00.0%Unchanged
Citadel Advisors LLC23,403$2.31M0.00%−21,535−47.9%Reduced
First Republic Investment Management, Inc.23,007$2.28M0.00%−1,203−5.0%Reduced
American International Group, Inc.21,712$2.15M0.01%−718−3.2%Reduced
State of Tennessee, Treasury Department21,132$2.09M0.01%00.0%Unchanged
Aptus Capital Advisors, LLC20,696$2.05M0.07%+3,948+23.6%Added
US Bancorp20,000$1.98M0.00%+53+0.3%Added
Peterson Wealth Services19,617$1.94M1.29%+19,617New
Amalgamated Bank18,602$1.84M0.01%−399−2.1%Reduced
Bank of Montreal18,282$1.82M0.00%−4,269−18.9%Reduced
BNP Paribas Arbitrage, SA18,131$1.79M0.00%−26,464−59.3%Reduced
Manufacturers Life Insurance Company, The17,935$1.77M0.00%−219−1.2%Reduced
First National Bank of Omaha17,544$1.74M0.08%−1,398−7.4%Reduced
Louisiana State Employees Retirement System17,400$1.72M0.04%−100−0.6%Reduced
American Century Companies Inc16,446$1.63M0.00%+795+5.1%Added
Natixis Advisors, L.P.16,172$1.60M0.01%+3,976+32.6%Added
Millennium Management LLC16,089$1.59M0.00%−47,250−74.6%Reduced
Pallas Capital Advisors LLC17,338$1.53M0.19%+567+3.4%Added
Renaissance Group LLC15,383$1.52M0.06%+835+5.7%Added
STRS Ohio15,300$1.51M0.01%−2,600−14.5%Reduced
Boston Financial Mangement LLC15,000$1.48M0.05%00.0%Unchanged
Leverage Partners Absolute Return Fund SPC15,000$1.48M0.85%+15,000New
Two Sigma Advisers, LP14,700$1.45M0.00%−3,500−19.2%Reduced
The PNC Financial Services Group, Inc.14,479$1.43M0.00%+325+2.3%Added
Maryland State Retirement & Pension System14,368$1.42M0.04%+83+0.6%Added
Oregon Public Employees Retirement Fund13,965$1.38M0.02%−793−5.4%Reduced
MML Investors Services, LLC13,210$1.31M0.01%+462+3.6%Added
Putnam Investments LLC12,964$1.28M0.00%+12,964New
Pacific Ridge Capital Partners, LLC12,620$1.25M0.22%−7,280−36.6%Reduced
Toronto Dominion Bank12,573$1.24M0.00%+12,573New
MetLife Investment Management12,500$1.24M0.01%00.0%Unchanged
Greenwood Capital Associates LLC12,197$1.21M0.17%+133+1.1%Added
Natixis11,800$1.17M0.00%+11,800New
AQR Capital Management LLC11,778$1.17M0.00%−5,898−33.4%Reduced
Azzad Asset Management Inc11,514$1.14M0.15%−105−0.9%Reduced
Teachers Retirement System of the State of Kentucky11,200$1.11M0.01%00.0%Unchanged
SummerHaven Investment Management, LLC11,101$1.10M0.59%00.0%Unchanged
Oppenheimer Asset Management Inc.10,992$1.09M0.01%−260−2.3%Reduced
JB Capital Partners LP10,500$1.04M0.22%00.0%Unchanged
Arizona State Retirement System9,771$967.0K0.01%−113−1.1%Reduced
SG Americas Securities, LLC9,485$938.0K0.01%−25,284−72.7%Reduced
Russell Investments Group, Ltd.9,166$906.0K0.00%+624+7.3%Added
Metropolitan Life Insurance Co9,096$900.0K0.01%−603−6.2%Reduced
Smith Group Asset Management, LLC9,060$896.0K0.04%−234−2.5%Reduced
HSBC Holdings PLC9,024$892.0K0.00%+1,997+28.4%Added
Saturna Capital CORP9,000$890.0K0.02%00.0%Unchanged
ProShare Advisors LLC8,921$882.0K0.00%+3,414+62.0%Added
O'Shaughnessy Asset Management, LLC8,635$854.0K0.02%−1,508−14.9%Reduced
HRT Financial LP8,616$852.0K0.00%−10,660−55.3%Reduced
Glenmede Trust Co NA8,494$840.0K0.00%+267+3.2%Added
Allianz Asset Management GmbH8,356$827.0K0.00%+816+10.8%Added
Handelsbanken Fonder AB8,337$825.0K0.00%00.0%Unchanged
Indie Asset Partners, LLC8,225$814.0K0.59%00.0%Unchanged
Hilltop Holdings Inc.7,590$751.0K0.08%+33+0.4%Added
Mawer Investment Management Ltd.7,551$747.0K0.00%+4,503+147.7%Added
Advisor Group Holdings, Inc.7,498$742.0K0.00%−1,879−20.0%Reduced
Pitcairn Co7,502$742.0K0.05%+154+2.1%Added
Boothbay Fund Management, LLC7,413$733.0K0.02%+203+2.8%Added
Susquehanna International Group, LLP7,411$733.0K0.00%+7,411New
Diversified Trust Co7,337$726.0K0.02%+430+6.2%Added
Ensign Peak Advisors, Inc7,313$724.0K0.00%−23,890−76.6%Reduced
People's United Financial, Inc.7,071$700.0K0.02%+943+15.4%Added
Teacher Retirement System of Texas7,043$697.0K0.00%+1,199+20.5%Added
LPL Financial LLC6,855$678.0K0.00%+1,891+38.1%Added
Oliver Luxxe Assets LLC6,663$659.0K0.17%+258+4.0%Added
Balyasny Asset Management LLC6,211$615.0K0.00%−623−9.1%Reduced
Origin Asset Management LLP6,163$609.0K0.14%+2,598+72.9%Added
Keybank National Association6,080$602.0K0.00%+6,080New
Hunter Associates Investment Management LLC6,000$594.0K0.17%00.0%Unchanged
Creative Planning5,977$591.0K0.00%−410−6.4%Reduced
Everence Capital Management Inc5,920$586.0K0.04%00.0%Unchanged
SEI Investments Co5,839$577.0K0.00%−1,785−23.4%Reduced
Los Angeles Capital Management LLC5,710$565.0K0.00%−66−1.1%Reduced
IndexIQ Advisors LLC5,648$559.0K0.02%−365−6.1%Reduced
Quantedge Capital Pte Ltd5,600$554.0K0.23%−1,600−22.2%Reduced
Cubist Systematic Strategies, LLC5,587$553.0K0.01%+5,587New
BTC Capital Management, Inc.5,531$548.0K0.05%+5,531New
First Eagle Investment Management, LLC5,366$531.0K0.00%−1,500−21.8%Reduced
M&T Bank Corp5,335$528.0K0.00%+176+3.4%Added
KBC Group NV5,298$524.0K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)5,246$519.0K0.00%+1,415+36.9%Added
Park Avenue Securities LLC5,236$518.0K0.01%+1,693+47.8%Added
Cornerstone Investment Partners, LLC5,232$518.0K0.03%+2,275+76.9%Added
Pathstone Family Office, LLC5,179$512.0K0.01%−43−0.8%Reduced
GWM Advisors LLC5,167$512.0K0.01%+5,167New
Mutual of America Capital Management LLC4,924$487.0K0.00%+84+1.7%Added
Bordeaux Wealth Advisors LLC451,166$451.0K0.21%00.0%Unchanged
Janney Montgomery Scott LLC4,521$447.0K0.00%+776+20.7%Added
Cim, LLC5,036$444.0K0.08%+381+8.2%Added
Cambridge Investment Research Advisors, Inc.4,344$430.0K0.00%−100−2.3%Reduced
Meritage Portfolio Management4,346$430.0K0.02%+4,346New
D. E. Shaw & Co., Inc.3,873$383.0K0.00%+145+3.9%Added
Quantinno Capital Management LP3,841$380.0K0.07%−4,882−56.0%Reduced
Ifrah Financial Services, Inc.3,733$369.0K0.10%+23+0.6%Added
Blueshift Asset Management, LLC3,684$364.0K0.03%−9,205−71.4%Reduced
Sigma Planning Corp3,458$342.0K0.01%−302−8.0%Reduced
Cetera Advisors LLC3,390$335.0K0.01%+3,390New